package cn.tedu.hw;

import java.io.Closeable;
import java.io.IOException;

public class Test6 {
public static void main(String[] args) throws IOException {
	Closeable c=new  CloseableImpl();
	c.close();
}
}
class CloseableImpl implements Closeable{
	@Override
	public void close()throws IOException{
		System.out.println(1);
	}
}